705-5100-121 Datasheet, PDF (24/56 Pages) Magnetrol International, Inc. – GuidedWave Radar Level Transmitter

4.3 Transducer Block
The TRANSDUCER block is a custom block containing
parameters that support the Enhanced Eclipse Model 705
level transmitter. It contains the GWR probe configuration,
diagnostics, and calibration data, and outputs level with
status information.
The TRANSDUCER block parameters are grouped in a
useful configuration. There are both read-only parameters
and read-write parameters within the TRANSDUCER block.
• The read-only parameters report the block status and
operation modes.
• The read-write parameters affect the function block basic
operation, level transmitter operation, and calibration.
The Transducer Block will automatically be changed to
“Out of Service” when the local interface (keypad) is used
to change a parameter online. The Transducer Block must
be placed back in service from the Host system.
4.3.1 Transducer Block Parameters
The first six parameters in the TRANSDUCER block are
the universal parameters discussed in section 4.1.1. The
universal parameters are followed by these additional
required parameters:
UPDATE_EVT (Update Event): an alert generated by a
write to the static data in the TRANSDUCER block.
Another important parameter found later in the TRANS-
DUCER block list is DEVICE_STATUS, which displays
the status of the device. If more than one message exists,
then the messages are displayed in priority order.
If DEVICE_STATUS indicates a problem, refer to
Section 7.1, Troubleshooting (those parameters which are
shaded are password-protected).
For a complete list of Transducer Block Parameters, refer
to table in the Appendix.
4.3.2 Password Parameters
To change a parameter at the local user interface, a value
matching the user password must be entered (Default=1). If
the user password is entered, the instrument is in the user
mode. After 5 minutes with no keypad activity, the entered
password expires.
Factory password is for use by trained factory personnel only.
From the Host system network, the instrument always
behaves as if it is in the user mode by default. In other
words, it is not necessary to enter the user password in order
to write parameters from the Host system.
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